Home / 712,474.48-1,068,781.81-207,039.87

Finding the Fourth Proportional to 712,474.48, 1,068,781.81 and 207,039.87

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Solution

The fourth proportional to 712,474.48, 1,068,781.81 and 207,039.87 is: 310,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,474.48 : 1,068,781.81 = 207,039.87 : x
  2. Step 2: Convert to fraction form
    712,474.48/1,068,781.81 = 207,039.87/x
  3. Step 3: Cross multiply
    712,474.48x = 1,068,781.81 × 207,039.87
  4. Step 4: Simplify right side
    712,474.48x = 221,280,450,459.61
  5. Step 5: Solve for x
    x = 221,280,450,459.61/712,474.48
  6. Step 6: Final answer
    x = 310,580.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.